﻿#region Copyright
// Copyright (c) 2011-2012 RaisingForce Team (Alikin Sergey)
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.Threading;

namespace RaisingForce.Raise.Measures
{
    public static class TimeExtensions
    {
        #region Static Members

        public static int GetTimeoutInMilliseconds(this Time time)
        {
            if (time != Time.Unknown)
            {
                double doubleTimeout = time.Get(TimeMeasures.Millisecond);
                int timeout = (int)Math.Round(Math.Min(doubleTimeout, (double)int.MaxValue));
                return timeout;
            }
            else
            {
                return 0;
            }
        }

        public static void Wait(this Time time)
        {
            int timeout = GetTimeoutInMilliseconds(time);
            if (timeout > 0)
            {
                Thread.CurrentThread.Join(timeout);
            }
        }

        public static void Wait(this Time time, out EventWaitHandle waitHandle)
        {
            int timeout = GetTimeoutInMilliseconds(time);
            if (timeout > 0)
            {
                waitHandle = new ManualResetEvent(initialState: false);
                waitHandle.WaitOne(timeout);
            }
            else
            {
                waitHandle = null;
            }
        }

        #endregion
    }
}
